Negative out-of-plane magnetoresistance of Bi-2(Sr,La)(2)CuO6+delta single crystals

被引：10

作者：

Yoshizaki, R ^{[1
]}

Ikeda, H ^{[1
]}

机构：

[1] UNIV TSUKUBA, CRYOGEN CTR, TSUKUBA, IBARAKI 305, JAPAN

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1996年 / 271卷 / 1-2期

关键词：

Bi-2201; negative magnetoresistance; out-of-plane resistance; magneto-transport; spin gap;

D O I：

10.1016/S0921-4534(96)00555-2

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Lorentz-force independent magnetoresistance was observed below 200 K in slightly underdoped Bi-2(Sr,La)(2)CuO6+delta crystals, The positive out-of-plane magnetoresistance at 200 K is decreased as the temperature is lowered and turns to negative at about 50 K. The out-of-plane resistance shows log T dependence in zero magnetic field, and the divergent profile is suppressed in intense magnetic field. These results indicate the responsibility of spin correlation for the c-axis transport and are discussed from a view point of a possible pseudo-spin-gap formation in this one CuO2 layer system.

引用

页码：171 / 180

页数：10

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